Double Up

Double Up is a relaxing 2048 merge game. Take a rest, get yourself a coffee, and enjoy the game. You have all day to think about your moves. No rush! Double Up the number to up and beyond.
Feature
On a train? in a bus? in a taxi? On a ship? Play and quit anytime, and the game will save your progress even while you're on the move. Don't do it while driving, though it's dangerous.
No rushing, take your time to think your next move.
It's a long haul to reach the infinity, can you reach the summit?